AU2009278263B2 - Apparatus and method for processing an audio signal for speech enhancement using a feature extraction - Google Patents

Apparatus and method for processing an audio signal for speech enhancement using a feature extraction Download PDF

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AU2009278263B2
AU2009278263B2 AU2009278263A AU2009278263A AU2009278263B2 AU 2009278263 B2 AU2009278263 B2 AU 2009278263B2 AU 2009278263 A AU2009278263 A AU 2009278263A AU 2009278263 A AU2009278263 A AU 2009278263A AU 2009278263 B2 AU2009278263 B2 AU 2009278263B2
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AU2009278263A1 (en
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Bernhard Grill
Oliver Hellmuth
Falko Ridderbusch
Christian Uhle
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Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV
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    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/18—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being spectral information of each sub-band
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Processing of the speech or voice signal to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0208—Noise filtering
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L15/00—Speech recognition
    • G10L15/02—Feature extraction for speech recognition; Selection of recognition unit
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Processing of the speech or voice signal to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Processing of the speech or voice signal to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0208—Noise filtering
    • G10L21/0216—Noise filtering characterised by the method used for estimating noise
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/27—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the analysis technique
    • G10L25/30—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the analysis technique using neural networks
AU2009278263A 2008-08-05 2009-08-03 Apparatus and method for processing an audio signal for speech enhancement using a feature extraction Active AU2009278263B2 (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US8636108P 2008-08-05 2008-08-05
US61/086,361 2008-08-05
US10082608P 2008-09-29 2008-09-29
US61/100,826 2008-09-29
EP08017124.2 2008-09-29
PCT/EP2009/005607 WO2010015371A1 (en) 2008-08-05 2009-08-03 Apparatus and method for processing an audio signal for speech enhancement using a feature extraction

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AU2009278263A1 AU2009278263A1 (en) 2010-02-11
AU2009278263B2 true AU2009278263B2 (en) 2012-09-27

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US (1) US9064498B2 (tr)
EP (1) EP2151822B8 (tr)
JP (1) JP5666444B2 (tr)
KR (1) KR101266894B1 (tr)
CN (1) CN102124518B (tr)
AU (1) AU2009278263B2 (tr)
CA (1) CA2732723C (tr)
ES (1) ES2678415T3 (tr)
HK (1) HK1159300A1 (tr)
MX (1) MX2011001339A (tr)
RU (1) RU2507608C2 (tr)
TR (1) TR201810466T4 (tr)
WO (1) WO2010015371A1 (tr)

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